JP2003018652A - Data processing system and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a prevention against a leakage of data as a measure of security for the data stored in a portable information terminal, by estimating conditions of unfair usage of the data and making it possible to delete data in a process. SOLUTION: In a monitoring process, CPU 2 reads out positional information set as a movable usage area for a portable information terminal 1 from system information stored in a recording medium 8a, and comparing with the current position of the portable information terminal 1 read from a GPS control module 9. When the portable information terminal 1 is out of the movable usage area, the CPU 2 decides that the portable information terminal 1 belongs to a false owner, and executes file delete process.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a data processing device,
And programs, and more particularly, security systems.

[0002]

2. Description of the Related Art In recent years, PDA (Personal Digital Assis)
The mobile information terminal such as a tant) is often carried by a sales person or the like and used outside, and security of data stored in the PDA is becoming important. That is, if the PDA is lost or stolen while away from home, there is a problem that important data stored in the PDA may be leaked. Conventionally, as a security system that copes with this problem, the Authentication systems such as encrypting passwords and setting passwords on terminals have been adopted.

[0003]

However, in the security system adopted in the conventional data processing apparatus such as PDA, important data and the like may remain in the PDA, and the set security may be broken. Therefore, the risk of data leakage cannot be denied.

An object of the present invention is, as a security system for data stored in a data processing device, to enable data erasing processing and prevent data leakage, assuming an unauthorized use situation of data.

[0005]

The invention according to claim 1 is
In a data processing device (for example, the portable information terminal 1 in FIG. 1) used by being carried, the detecting device (for example, the GPS control module 9 in FIG. 1) for detecting the current position of the device itself and the device can be used A range information storage unit (for example, the recording medium 8a in FIG. 1) that stores range information for setting a use range is compared with the detected current position and the range information stored in the range information storage unit. A deletion means for deciding whether or not the current position of the device exceeds the use range, and deleting the information stored in the device when the current position is judged to exceed the use range (for example, FIG. 3) CPU2) which performs the processing shown in steps S12 and S13 of FIG.

According to the first aspect of the present invention, in the data processing device to be carried and used, the detection means detects the current position of the device itself, and the range information storage means determines the usable range of the device. Whether or not the current position of the device exceeds the use range by storing the range information for setting and comparing the detected current position by the deleting unit with the range information stored in the range information storing unit If it is determined that the current position exceeds the usage range, the information stored in the device is deleted, so the data processing device is taken out beyond the range of action of the authorized user. In the case of the error, the information in the data processing device can be automatically deleted, and the information leakage can be prevented.

According to a second aspect of the present invention, in a data processing device to be carried and used (for example, the portable information terminal 100 in FIG. 5), a program storage means (for example, FIG. Storage device 8) and the incoming call number at the time of the incoming call, and it is determined whether the incoming call number is stored in the program storage means, and the incoming call number is stored. If determined, the control means for activating the program corresponding to the called number (for example, step S22 in FIG. 7,
And a CPU 2) that performs the processing shown in S23 and S24.

According to the second aspect of the present invention, in the data processing device to be carried and used, the program storing means stores a program to be activated for each incoming call number,
When the incoming call is received by the control means, the incoming call number is recognized and it is determined whether or not the incoming call number is stored in the program storage means. When it is determined that the incoming call number is stored, Since the program corresponding to the incoming call number is activated, the program processing can be executed by remote control.

According to a fourth aspect of the present invention, in the data processing device to be carried and used (for example, the portable information terminal 100 in FIG. 5), confirmation for confirming whether or not the user is an authorized user is confirmed. Means (eg, step S3 of FIG. 8)
When the CPU 2) for performing the processing in 7 and the confirmation means confirm that the user is not an authorized user, the deleting means for deleting the information stored in the apparatus (for example, the processing in step S40 in FIG. 8 is performed. And a CPU 2).

According to the fourth aspect of the present invention, in the data processing device to be carried and used, the confirmation means confirms whether or not the user is an authorized user, and the deletion means confirms the information. When it is confirmed that the user is not a legitimate user, the information stored in the device is deleted. Therefore, when it is confirmed that the user is not a legitimate user, the information in the data processing device is deleted. It can be automatically deleted, and information leakage can be prevented.

[0011]

DETAILED DESCRIPTION OF THE INVENTION (First Embodiment) FIG.
1 to 4, the first embodiment according to the present invention will be described in detail. FIG. 1 is a diagram showing an embodiment of a mobile information terminal 1 to which the present invention is applied.

First, the structure will be described. FIG. 1 is a block diagram showing the internal configuration of mobile information terminal 1 in the present embodiment. As shown in FIG. 1, the mobile information terminal 1 has a CP
U2, an input device 3, a RAM 4, a transmission control unit 5, a display device 6, a touch input device 7, a storage device 8 having a recording medium 8a, a GPS control module 9, and each unit except the recording medium 8a by a bus 10. It is connected.

CPU (Central Processing Unit) 2
Reads a control program stored in the recording medium 8a included in the storage device 8 for use as a mobile device and for executing various controls, and loads the control program in the RAM 4,
The operation of each unit is centrally controlled according to the control program.
Further, the CPU 2 executes various control processes in accordance with the control program, stores the process results in the RAM 4, and displays them on the display screen of the display device 6. And R
The processing result stored in the AM 4 is stored in a predetermined storage destination of the storage device 8 or the recording medium 8a input by the input device 3 and the touch input device 7.

Further, in the application data processing (see FIG. 2) which will be described later, the CPU 2 starts the specified application and opens the specified file when receiving the instruction to start the application. Then, data processing is executed according to the data input by the user.

In addition, the CPU 2 uses the system information stored in the recording medium 8a in the monitoring process described later (see FIG. 3 and FIG. 4) to determine the position information set as the use action range for the portable information terminal 1. Is read and compared with the current position of the mobile information terminal 1 read from the GPS control module 9, and if the mobile information terminal 1 is not within the use action range, it is normal for the mobile information terminal 1 to be owned. It is determined that the owner is not the owner of the file and the file deletion process is executed.

The input device 3 includes a pointing device such as a keyboard and a mouse having a cursor key, a numeric input key, various function keys and the like, and a key depression signal of the key depressed on the keyboard and a mouse position signal.
Output to PU2.

A RAM (Random Access Memory) 4 is a C
In various processes described below that are controlled by the PU2,
A temporary storage area for the control program, input or output data, parameters, etc. that can be executed on the portable information terminal 1 and read from the storage device 8 is formed.

The transmission control unit 5 is a modem (MODEM: Modulato).
r / DEModulater), terminal adapter (Terminal Adap
ter) etc., telephone line, ISDN line,
Alternatively, communication control is performed to communicate with an external device connected to the network via a communication line such as a dedicated line.
The modem modulates the digital data processed by the CPU 2 into an analog signal in the frequency band of the telephone line in order to communicate with an external device such as a server via the telephone line, and also via the telephone line. This is a device that demodulates an input analog signal into a digital signal. The terminal adapter uses an existing interface for ISD in order to communicate with an external device such as a server via an ISDN line.
It is a device for converting an interface corresponding to N.
Also, the connection is a mobile phone or PHS (Personal Handyphone).
It may be a wireless connection using a portable telephone terminal such as System).

Further, the transmission control section 5 connects the portable information terminal 1 and an external device such as a server or a client via a transmission medium such as a network line, and transfers the data stored in the recording medium 8a to the transmission medium. To the server or client via. Also, it receives data or the like transmitted from the server or the client.

The display device 6 is an LCD (Liquid Crystal D).
isplay), a CRT (Cathode Ray Tube), and the like, and display data is displayed on the display screen according to an instruction of a display signal input from the CPU 2.

The touch input device 7 has a touch input area having the same area as the display area on the display screen of the display device 6, and a touch sensor or the like is provided on the front surface of the input area. When an input for pointing with a dedicated pen or the like is made in the input area, the touch input device 7 outputs the detected coordinate data of the input designated position to the CPU 2.

The storage device 8 has a recording medium 8a in which programs and data are stored in advance. The recording medium 8a is composed of a magnetic or optical recording medium or a nonvolatile memory such as a semiconductor. The recording medium 8a is a storage device 8
The recording medium 8a, which is fixedly provided on the recording medium 8a or is detachably mounted on the recording medium 8a, has various control programs corresponding to the portable information terminal 1 and various processing programs such as a monitoring processing program executable on the control program. , And data processed by these programs. These various processing programs are stored in the form of a readable program code, and the CPU 2 sequentially executes operations according to the program code.

Further, some or all of the programs and data stored in the recording medium 8a are received from the transmission control unit 5 from other devices such as a server or a client via a transmission medium of a network line such as WAN or LAN. And may be stored. Further, the program may be transmitted to a server or a client via a transmission medium such as a network line and installed in these devices. It should be noted that the programs and data include those realized by firmware integrated with computer hardware.

Further, the recording medium 8a stores position setting information in which the use action range of the portable information terminal 1 is set in accordance with the action area of the authorized owner of the portable information terminal 1 and various processes executed by the CPU 2. The indicated command and the parameter file for executing the command are stored as system information.

The GPS (Global Positioning System) control module 9 is equipped with a GPS antenna, receives a signal transmitted from a GPS satellite, detects the current position of the portable information terminal 1, and outputs it as position information to the CPU 2.

Next, the operation of the first embodiment will be described. As a premise of the operation description, a program for realizing each function described in the following flowcharts is stored in the recording medium 8a in the form of a readable program code, and the CPU 2 follows the program code. Execute operations sequentially. In addition, the CPU 2
It is also possible to sequentially execute the operation according to the program code transmitted via the transmission medium. That is, it is possible to execute the operation peculiar to the present embodiment by using the program or data supplied from the outside through the transmission medium in addition to the recording medium 8a.

First, application data processing executed by activating various applications in common to the first and second embodiments will be described with reference to the flowchart shown in FIG. In FIG. 2, first, the CPU 2 determines whether or not it has received a designation for starting a predetermined application from the input device 3 or the touch input device 7 (step S1), and when it has not received the designation (step S1; NO). ), And ends the application data processing. When the designation is received (step S1; YES),
Whether or not the designated application is stored is determined by comparing the identification data indicating the input-designated application with the previously stored identification data of the application (step S2).

When the designated application is not stored (step S2; NO), the application data processing is ended, and when the designated application is stored (step S2; YES), the designated application is started. Yes (step S3). Next, the CPU 2 determines whether or not the file to be opened is specified from the input device 3 or the touch input device 7 (step S4), and when the file is specified (step S).
4; YES), it is determined whether or not the designated file is stored by comparing the identification data indicating the input-designated file with the identification data of the previously stored file (step S5). .

When the designated file is not stored (step S5; NO), the application processing is terminated, and when the designated file is stored, input from the input device 3 or the touch input device 7 is performed. In response, data processing for updating the data in the file is performed (step S6). Subsequently, it is determined whether or not an instruction to end the data processing is given by an input for giving an instruction to end the data update from the input device 3 or the touch input device 7 (step S7). ; YES), and ends the application data processing.

Next, as the operation of the first embodiment, a security system using the current position information of the portable information terminal acquired from GPS will be described. First, CP
The monitoring process using GPS executed by U2 will be described with reference to the flowchart of FIG.

In FIG. 3, first, the CPU 2 records position setting information (position information of a plurality of latitudes and longitudes) indicating a predetermined range set as a use action range for the portable information terminal 1, and the position thereof is determined. A range within the bounded range is set as a predetermined range), and various processing commands necessary for executing the monitoring process and system information such as a parameter file for executing the command are read from the recording medium 8a (step S10).

Next, the current position information of the portable information terminal 1 is read from the GPS control module 9 (step S1).
1) Compared with the position setting information read in step S10, it is determined whether or not the portable information terminal 1 exists within a predetermined range (step S12). Mobile information terminal 1
Is determined to be within the predetermined range (step S
12; YES), the person who carries the portable information terminal 1 is
When it is determined that the mobile information terminal 1 is outside the predetermined range, the process returns to step S11 and the monitoring is continued.

When the portable information terminal 1 does not exist within the predetermined range (step S12; NO), it is determined that the portable information terminal 1 is not carried by the authorized owner, and the stored file is deleted. File deletion processing to be deleted is executed (step S13). Subsequently, the CPU 2 determines whether or not an instruction to end the monitoring processing has been received after executing the file deletion processing (step S14), and when an instruction to end the monitoring processing has been received (step S14; YES), the monitoring processing is executed. If the instruction to end the monitoring process is not received (step S14; NO), the process returns to step S11.
Continue the monitoring process.

The above-mentioned monitoring process is a resident type process which is continued until an instruction to end the monitoring process is received.
For example, the monitoring process as shown in the flowchart of FIG. 4 may be automatically started every predetermined time.

FIG. 4 is a flow chart for explaining the monitoring process which is automatically started every predetermined time. It should be noted that the same step numbers are given to the same processing parts as the resident type monitoring processing in FIG. 3, and the description of the processing will be omitted.

In FIG. 4, first, the CPU 2 determines whether or not the portable information terminal 1 exists within a predetermined range from the system information and position information read in steps S10 and S11 (step S12), and the predetermined range. When it is determined that the data exists in the area (step S12; YE
S), the monitoring process ends. If it is determined that the file does not exist within the predetermined range (step S12; NO), the file deleting process is executed and the monitoring process is ended.

As described above, by referring to the current position information of the portable information terminal using GPS, it is determined whether the owner of the portable information terminal is the authorized owner, If it is determined that the owner is not the owner, file deletion processing is executed. Therefore, even when the authorized owner loses the portable information terminal, it is possible to prevent leakage of important data and files stored in the portable information terminal.

[Second Embodiment] Hereinafter, a second embodiment of the present invention will be described in detail with reference to FIGS. The mobile information terminal 100 according to the second embodiment has a configuration in which the GPS control module 9 is deleted from the mobile information terminal 1 according to the first embodiment shown in FIG.

First, the structure will be described. FIG. 5 is a block diagram showing an internal configuration of the mobile information terminal 100 according to the second embodiment. As shown in FIG. 5, the mobile information terminal 100 includes a CPU 2, an input device 3, a RAM 4, a transmission control unit 5, a display device 6, a touch input unit 7, and a storage device 8 having a recording medium 8a. Each unit except 8a is connected by a bus 10. The same components as those of the mobile information terminal 1 according to the first embodiment are designated by the same reference numerals, and the description of the configuration will be omitted.

When the incoming call information is input from the transmission control unit 5 in the communication process (see FIG. 7) described later, the CPU 2 turns on the power state of the portable information terminal 100 and extracts the caller telephone number from the incoming call information. To do. Furthermore, CPU2
Reads out the source telephone number-application program correspondence table 81 from the storage device 8 and activates the application program corresponding to the source telephone number.

When the incoming call information is input from the transmission controller 5 in the owner confirmation processing (see FIG. 8) described later, the CPU 2 turns on the power state of the portable information terminal 100. Next, the CPU 2 sets a password counter that counts the number of times the password is input to a predetermined allowable number of inputs and a timer alarm that counts the password input time to a predetermined allowable input time, respectively, and inputs the password to the display device 6. Display the screen. When the password input person cannot input a correct password within the set allowable number of inputs and the allowable input time, it is determined that the password input person is not the proper owner of the portable information terminal 1, and the file deletion process is executed. .

When the transmission control section 5 is connected from an administrator or the like via a communication network, the transmission control section 5 outputs to the CPU 2 the incoming call information, the telephone number of the caller, etc. as incoming call information.

The storage device 8 has a storage area of a source telephone number / application program correspondence table 81 shown in FIG. Hereinafter, with reference to FIG.
An example of data storage in the application program correspondence table 81 will be described in detail.

FIG. 6 is a diagram showing an example of data storage in the transmission source telephone number-application program correspondence table 81 storing the application program executed corresponding to the transmission source telephone number. As shown in FIG. 6, the source telephone number-application program correspondence table 81 is
The source telephone number of the incoming call (for example, "01-23
45-6789 "," 01-2233-4455 ",
...) as a "caller phone number", a caller phone number area 81a, an application program executed corresponding to the caller number (for example, "mail.exe" for executing a mail sending / receiving process, a file deleting process) Application file area 81b for storing "file-delet.exe", ...

The recording medium 8a has a control program corresponding to the portable information terminal 100, a communication processing program executable on the control program, various processing programs such as an owner confirmation program, and data processed by these programs. Etc. are memorized. These various processing programs are stored in the form of a readable program code, and the CPU 2 sequentially executes operations according to the program code.

Next, the operation of the second embodiment will be described. As a premise of the operation description, a program for realizing each function described in the following flowcharts is stored in the recording medium 8a in the form of a readable program code, and the CPU 2 follows the program code. Execute operations sequentially. In addition, the CPU 2
It is also possible to sequentially execute the operation according to the program code transmitted via the transmission medium. That is,
In addition to the recording medium 8a, a program or data supplied from the outside via a transmission medium can be used to execute the operation peculiar to the present embodiment.

As the operation of the second embodiment, a security system using the incoming call activation function of automatically turning on the power of the portable information terminal 100 in response to an incoming call from the outside and activating a predetermined application will be described. In this security system, an administrator who manages a plurality of mobile information terminals makes a call to a lost mobile information terminal by telephone, and the mobile information terminal 100 receiving the incoming call is automatically turned on by a call start function. Start the application specified by the administrator.

First, when the legitimate owner notices that the portable information terminal has been lost, the owner informs the administrator of the loss and the subsequent processing instruction, and the administrator who receives the notification specifies the loss. Communication processing using the above-mentioned incoming call activation function for activating an application program will be described with reference to the flowchart in FIG.

In FIG. 7, first, the CPU 2 determines whether or not there is an incoming call (step S20). When there is no incoming call (step S20; NO), the incoming call is waited, and when there is an incoming call (step S20; YES), the power state of the portable information terminal 100 is turned on (step S21).

Next, the CPU 2 recognizes the source telephone number of the incoming call (step S22), and stores the source telephone number-application program correspondence table 8 from the storage device 8.
1 is read to determine whether or not there is a telephone number corresponding to the telephone number recognized in step S22 in the source telephone number area 81a (step S23). If there is no corresponding telephone number (step S23; NO), it is determined that the application activation instruction has not been given by the administrator, and the communication processing ends.

If there is a corresponding telephone number (step S
23; YES), the application program corresponding to the caller telephone number is read from the application program area 81b and activated, each processing in the application program is executed, and the communication processing ends.

The above communication process will be described in detail with reference to FIG. 6. For example, a file deletion process in which a legitimate owner who notices that the portable information terminal 100 is lost deletes the file from the administrator Tell it to run. The administrator identifies the same source telephone number and application program correspondence table 8 stored in the portable information terminal 100.
1 (see FIG. 6), and the administrator who recognizes the instruction, the telephone number "01-" corresponding to the application program "file-delet.exe" that executes the file deletion process.
The mobile information terminal 100 makes a call at 2233-4455 ". The mobile information terminal 100 that receives the call recognizes the caller's telephone number" 01-2233-4455 ", and the corresponding application program" file-delet ". .ex
Start "e" to execute the file deletion process.

The case where the authorized owner of the portable information terminal notices that the portable information terminal is lost and instructs the administrator to perform the processing has been described above. Next, even if the owner does not notice the loss, the management is performed. The owner confirmation process in which the CPU 2 of the portable information terminal 100 executes the file deletion process, which is periodically called by the person, will be described with reference to the flowchart of FIG.

In FIG. 8, first, the CPU 2 receives an incoming call by the incoming call activation function (step S30; YE).
S), the power state of the portable information terminal 100 is turned on (step S31), and a warning sound or LED
(Light Emitting Diode) Notification is made by lighting or the like (step S32).

Next, the CPU 2 sets a password counter, which is preset by the owner and which counts the number of times the password is input, to a predetermined allowable number of inputs (step S33). Next, a timer alarm for presetting the password input by the owner is set to a predetermined allowable input time (step S34), and the password input screen is displayed on the display device 6 (step S34).
35) Prompt for password input. This allows the owner to input the password from the input device 3, the touch input device 7, or the like.

Subsequently, the CPU 2 determines whether or not the elapsed time after the timer alarm is set in step S22 has reached the set allowable input time (step S36). When the elapsed time has reached the set allowable input time (step S36; YES), it is determined that the correct password cannot be input within the allowable input time, and the password input person is not the authorized owner of the portable information terminal 100. File deletion processing is executed (step S4
0). Next, the timer alarm set in step S34 is released (step S41), and the owner confirmation process ends.

When the elapsed time does not reach the set allowable input time in step S36 (step S3)
6; NO), it is determined whether the input password is correct (step S37). If the password is correct (step S37), the person who entered the password is the mobile terminal 10
When it is determined that the owner is 0, the timer alarm set in step S34 is released, and the owner confirmation process is terminated.

If the entered password is incorrect (step S37; NO), the allowable number of inputs set in the password counter is -1 as an argument (step S38). Next, the CPU 2 determines whether the number of inputs counted by the password counter is 0 (step S39). When the counted number of inputs is not 0 (step S39; NO), the process returns to step S35, the password input screen is displayed again, and the password input is permitted.

When the number of inputs counted by the password counter is 0 (step S39; YES), it is determined that the correct password could not be input within the allowable number of inputs, and the password input person has the proper possession of the portable information terminal 100. It is determined that the user is not the person who deleted the file and the file deletion process is executed (step S40). Then, the CPU 2 performs step S
The timer alarm set in 34 is released, and the owner confirmation processing ends.

As described above, since various processing can be remotely instructed by using the incoming call activation function via the administrator, even if the authorized owner loses the portable information terminal, the file deletion processing can be instructed. , Can prevent the leakage of important data. Further, even when the authorized owner does not notice that the portable information terminal is lost, the security can be ensured by setting the owner confirmation process to be executed regularly.

In the above-described second embodiment, the password is authenticated in order to confirm the legitimate owner in the owner confirmation processing, but if the owner can be confirmed, for example, a fingerprint is used. Authentication by voice or voice may be used.

The description contents in this embodiment are as follows.
This is a preferred example of the portable information terminal according to the present invention, and the present invention is not limited to this. For example, in the present embodiment, the portable information terminals 1 and 100 may be small mobiles such as PDAs as long as they are portable information terminals, notebook personal computers, mobile phones, and PHS. And so on.

In addition, the detailed configuration and detailed operation of the portable information terminal according to the present embodiment can be appropriately changed without departing from the spirit of the present invention.

[0064]

The data processing device according to the first aspect of the present invention,
According to the program of the invention described in claim 7, when the data processing device is taken out beyond the range of action of the authorized user, the information in the data processing device can be automatically deleted. Can be prevented from leaking.

According to the data processing device of the second aspect of the present invention and the program of the eighth aspect of the invention, the program processing can be executed by remote operation.

According to the data processor of the third aspect of the present invention, the information in the data processor can be automatically deleted and the leakage of information can be prevented.

According to the data processor of the invention described in claim 4 and the program of the invention described in claim 9, when it is confirmed that the user is not an authorized user, the information in the data processor is automatically updated. It can be deleted and information leakage can be prevented.

According to the data processor of the fifth and sixth aspects of the present invention, the confirmation process of the user can be executed even when the authorized user does not notice that the data processor is lost. it can.

[0069]

[Brief description of drawings]

FIG. 1 is a block diagram showing an internal configuration of a mobile information terminal according to a first embodiment of the present invention.

FIG. 2 is a flowchart showing application data processing executed by a CPU 2 of FIGS. 1 and 5.

FIG. 3 is a flowchart showing a resident monitoring process executed by a CPU 2 of FIG.

FIG. 4 is a flowchart showing a monitoring process executed by the CPU 2 of FIG. 1 at predetermined time intervals.

FIG. 5 is a block diagram showing an internal configuration of a mobile information terminal according to a second embodiment of the present invention.

6 is a diagram showing an example of data storage of a source telephone number / application program correspondence table 81 stored in a storage device 8 of FIG.

7 is a flowchart illustrating a communication process executed by CPU 2 of FIG.

8 is a flowchart illustrating an owner confirmation process executed by the CPU 2 of FIG.

[Explanation of symbols]

1 Portable Information Terminal 2 CPU 3 Input Device 4 RAM 5 Transmission Control Unit 6 Display Device 7 Touch Input Device 8 Storage Device 81 Source Phone Number-Application Program Correspondence Table 81a Source Phone Number Area 81b Application Program Area 8a Recording Medium 9 GPS Control module 10 Bus 100 Personal digital assistant

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) H04M 11/00 302 H04B 7/26 109R 5K101 H04Q 7/34 106A 109L F term (reference) 5B017 AA07 BA08 CA16 5B082 GA11 GA18 5K024 AA61 CC09 CC10 CC11 GG05 GG08 GG10 GG13 5K027 AA11 BB09 EE13 HH21 HH24 5K067 AA32 BB04 BB21 DD13 DD16 DD23 DD27 EE02 EE10 FF07 HH22 HH23 JJ52 JJ56 5K101 NN04 LL1800

Claims (9)

[Claims] 1. A data processing device for portable use, comprising: a detecting means for detecting a current position of the device itself; and a range information storing means for storing range information for setting a usable range of the device. , Comparing the detected current position and the range information stored in the range information storage means to determine whether or not the current position of the device exceeds the use range, and if the current position exceeds the use range, A data processing device comprising: a deleting unit that deletes information stored in the device when the data processing device is determined. 2. A data processing device to be carried and used, and a program storing means for storing a program to be activated for each incoming call number, the incoming call number being recognized when the incoming call is received, and the incoming call number being the said incoming call number. Data stored in a program storage means, and control means for activating a program corresponding to the incoming call number when it is determined that the incoming call number is stored Processing equipment. 3. The program storage means stores a deletion processing program for deleting information stored in the device in association with a predetermined incoming call number.
The described data processing device. 4. A data processing device to be carried and used, wherein the confirmation means confirms whether the user is an authorized user, and the confirmation means confirms that the user is not an authorized user. In the case of the above, a data processing device comprising: a deleting unit that deletes the information stored in the device. 5. The data processing apparatus according to claim 4, wherein the confirmation means executes the user confirmation processing in response to an incoming call from the outside or at predetermined time intervals. 6. The confirming means confirms whether or not the user is an authorized user by inputting personal information, and the deleting means confirms that the authenticating user is not an authorized user. 5. The data processing device according to claim 4, wherein the information stored in the device is deleted when personal information is not input within a predetermined time. 7. A function of causing a computer to detect the current position of the device itself, a function of storing range information for setting a usable range of the device, and a detected current position and stored range information. By comparing with, it is determined whether or not the current position of the device exceeds the use range, and when it is determined that the current position exceeds the use range,
A program that realizes the function to delete the information stored in the device. 8. A function of causing a computer to store a program to be activated for each incoming call number, and upon receiving an incoming call, recognizing the incoming call number and determining whether or not the incoming call number is stored, A program that realizes the function to activate the program corresponding to the called number when it is determined that the number is stored. 9. A function of causing a computer to confirm whether or not the user is a legitimate user, and deletes information stored in the device when it is confirmed that the user is not a legitimate user. Functions and programs for realizing.